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ziro4ka [17]
3 years ago
14

Gavin and Jim share some money in a ratio of 1:3 gavin gets £15 how much did Jim get

Mathematics
1 answer:
lozanna [386]3 years ago
8 0

Answer:

$45   (corrected answer)

Step-by-step explanation:

Given

Gavin : Jim   = 1 : 3

fraction that Gavin gets = 1 / (1+3) = 1/4

fraction that Jim gets = 3 / (1+3) = 3/4

given that Gavin gets $15,

Gavin's share = (1/4) ----> equivalent to $15

Jim's share = (3/4) ----> equivalent to $15 x 3 = $45

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3 years ago
In the diagram, JOK and MON are straight lines. Angle NOP and Angle NOQ are complimentary angles. Calculate the value of x - y.
Pepsi [2]

Answer:

x - y = 118

Step-by-step explanation:

Since ∠ NOP and ∠ NOQ are complimentary then ∠ POQ = 90°

Since JOK is a straight line then

∠ JOP + ∠ POQ + ∠ QOK = 180 , that is

76 + 90 + y = 180

166 + y = 180 ( subtract 166 from both sides )

y = 14

Since MON is a straight line then

∠ MOK + ∠ KOQ + ∠ QON = 180, that is

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x + 48 = 180 ( subtract 48 from both sides )

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Thus

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5 0
3 years ago
About 12% of individuals write with their left hands. If a class of 130 students meets in a classroom with 130 individual desks,
Lynna [10]

Answer:

0.1019

Step-by-step explanation:

Probability, p=12%=0.12

Sample size, n=130 students

Those writing with left=14 students

Using the formula for binomial distribution

P(X≤x)=\left[\begin{array}{}n\\x\end{array}\right]p^{x}(1-p)^{n-x}

Substituting 0.12 for p, 130 for n, 14 for x we obtain

P(X≤x)=\left[\begin{array}{}130\\14\end{array}\right]0.12^{14}(1-0.12)^{130-14}

P(X≤x)=130C14*0.12^{14}(0.88)^{116}

P(X≤x)=0.1019

3 0
3 years ago
In a fruit cocktail, for every 20 ml of orange juice you need 45 ml of apple juice and 100 ml of coconut milk. What is the ratio
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the ratio of apple juice to coconut milk to orange juice is:

45:100:20 = 9:20:4

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3 years ago
What which relationship in each of the following represents a Non-proportional relationship
sergij07 [2.7K]
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6 0
3 years ago
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